1920 Országos Bajnokság I (men's water polo) was the 14th water polo championship in Hungary. There were four teams who played one round match for the title.
1920 Országos Bajnokság I (men's water polo) was the 14th water polo championship in Hungary. There were four teams who played one round match for the title. (en)
1920 Országos Bajnokság I (men's water polo) was the 14th water polo championship in Hungary. There were four teams who played one round match for the title. (en)